Home / 785,437.88-1,083,904.27-427,741.88

Finding the Fourth Proportional to 785,437.88, 1,083,904.27 and 427,741.88

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Solution

The fourth proportional to 785,437.88, 1,083,904.27 and 427,741.88 is: 590,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,437.88 : 1,083,904.27 = 427,741.88 : x
  2. Step 2: Convert to fraction form
    785,437.88/1,083,904.27 = 427,741.88/x
  3. Step 3: Cross multiply
    785,437.88x = 1,083,904.27 × 427,741.88
  4. Step 4: Simplify right side
    785,437.88x = 463,631,243,700.95
  5. Step 5: Solve for x
    x = 463,631,243,700.95/785,437.88
  6. Step 6: Final answer
    x = 590,283.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.